Index: src/x64/lithium-codegen-x64.cc |
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc |
index 836abe88776e64c9b5e67ea45bf7fe3c4cdd5ad2..7eebd6a3d059ba663cb679837959ea2acfe31c0e 100644 |
--- a/src/x64/lithium-codegen-x64.cc |
+++ b/src/x64/lithium-codegen-x64.cc |
@@ -167,6 +167,7 @@ bool LCodeGen::GeneratePrologue() { |
__ push(rbp); // Caller's frame pointer. |
__ movq(rbp, rsp); |
__ push(rsi); // Callee's context. |
+ __ nop(); // Pre-age code. |
if (info()->IsStub()) { |
__ Push(Smi::FromInt(StackFrame::STUB)); |
} else { |